The main function of the circulatory system is to O transport gases into and out of the body.
O transport nutrients, gases, and wastes.
O diffuse gases from the blood to lungs.
O filter water and wastes.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.